From 8588eac3ff66e77fb681591714fd76da3a4da80d Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Thu, 27 Sep 2018 10:31:46 +0530 Subject: [PATCH 01/10] arm64: dts: ti: k3-am654: Fix wakeup_uart reg address cbass_wakeup interconnect which is the parent of wakeup_uart node defines address-cells=1 and size-cells=1, therefore fix up reg property of wakeup_uart node accordingly. Otherwise, this UART instance fails to probe if enabled. Fixes: 4201af2544b3 ("arm64: dts: ti: am654: Add uart nodes") Signed-off-by: Vignesh R Reviewed-by: Lokesh Vutla Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index affc3c309353..8d7b47f9dfbf 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -36,7 +36,7 @@ wkup_uart0: serial@42300000 { compatible = "ti,am654-uart"; - reg = <0x00 0x42300000 0x00 0x100>; + reg = <0x42300000 0x100>; reg-shift = <2>; reg-io-width = <4>; interrupts = ; From fc66393ab5d695533a5eb0bce8ceffa11d747933 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Tue, 13 Nov 2018 11:31:08 +0530 Subject: [PATCH 02/10] dt-bindings: pinctrl: k3: Introduce pinmux definitions The dt-bindings header for TI K3 AM6 SoCs define a set of macros for defining pinmux configs in human readable form, instead of raw-coded hex values. Signed-off-by: Vignesh R Acked-by: Linus Walleij Reviewed-by: Rob Herring Acked-by: Nishanth Menon Acked-by: Tony Lindgren Signed-off-by: Tero Kristo --- MAINTAINERS | 1 + include/dt-bindings/pinctrl/k3.h | 35 ++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 include/dt-bindings/pinctrl/k3.h diff --git a/MAINTAINERS b/MAINTAINERS index f4855974f325..9ac39fa34b23 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2204,6 +2204,7 @@ S: Supported F: Documentation/devicetree/bindings/arm/ti/k3.txt F: arch/arm64/boot/dts/ti/Makefile F: arch/arm64/boot/dts/ti/k3-* +F: include/dt-bindings/pinctrl/k3.h ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE M: Santosh Shilimkar diff --git a/include/dt-bindings/pinctrl/k3.h b/include/dt-bindings/pinctrl/k3.h new file mode 100644 index 000000000000..45e11b6170ca --- /dev/null +++ b/include/dt-bindings/pinctrl/k3.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This header provides constants for pinctrl bindings for TI's K3 SoC + * family. + * + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + */ +#ifndef _DT_BINDINGS_PINCTRL_TI_K3_H +#define _DT_BINDINGS_PINCTRL_TI_K3_H + +#define PULLUDEN_SHIFT (16) +#define PULLTYPESEL_SHIFT (17) +#define RXACTIVE_SHIFT (18) + +#define PULL_DISABLE (1 << PULLUDEN_SHIFT) +#define PULL_ENABLE (0 << PULLUDEN_SHIFT) + +#define PULL_UP (1 << PULLTYPESEL_SHIFT | PULL_ENABLE) +#define PULL_DOWN (0 << PULLTYPESEL_SHIFT | PULL_ENABLE) + +#define INPUT_EN (1 << RXACTIVE_SHIFT) +#define INPUT_DISABLE (0 << RXACTIVE_SHIFT) + +/* Only these macros are expected be used directly in device tree files */ +#define PIN_OUTPUT (INPUT_DISABLE | PULL_DISABLE) +#define PIN_OUTPUT_PULLUP (INPUT_DISABLE | PULL_UP) +#define PIN_OUTPUT_PULLDOWN (INPUT_DISABLE | PULL_DOWN) +#define PIN_INPUT (INPUT_EN | PULL_DISABLE) +#define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP) +#define PIN_INPUT_PULLDOWN (INPUT_EN | PULL_DOWN) + +#define AM65X_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode)) +#define AM65X_WKUP_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode)) + +#endif From 1d79b4375fbc9ba4a113529090dab6b98e7b572c Mon Sep 17 00:00:00 2001 From: Tero Kristo Date: Tue, 13 Nov 2018 11:31:09 +0530 Subject: [PATCH 03/10] arm64: dts: ti: k3-am65: Add pinctrl regions Add pinctrl regions for the main and wkup mmr. The range for main pinctrl region contains a gap at offset 0x2e4, and because of this, the pinctrl range is split into two sections. Signed-off-by: Tero Kristo Signed-off-by: Vignesh R Acked-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 16 ++++++++++++++++ arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 8 ++++++++ arch/arm64/boot/dts/ti/k3-am65.dtsi | 1 + 3 files changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index adcd6341e40c..f7c2a60d5c80 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -69,4 +69,20 @@ clock-frequency = <48000000>; current-speed = <115200>; }; + + main_pmx0: pinmux@11c000 { + compatible = "pinctrl-single"; + reg = <0x0 0x11c000 0x0 0x2e4>; + #pinctrl-cells = <1>; + pinctrl-single,register-width = <32>; + pinctrl-single,function-mask = <0xffffffff>; + }; + + main_pmx1: pinmux@11c2e8 { + compatible = "pinctrl-single"; + reg = <0x0 0x11c2e8 0x0 0x24>; + #pinctrl-cells = <1>; + pinctrl-single,register-width = <32>; + pinctrl-single,function-mask = <0xffffffff>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index 8d7b47f9dfbf..19b46f40789b 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -34,6 +34,14 @@ }; }; + wkup_pmx0: pinmux@4301c000 { + compatible = "pinctrl-single"; + reg = <0x4301c000 0x118>; + #pinctrl-cells = <1>; + pinctrl-single,register-width = <32>; + pinctrl-single,function-mask = <0xffffffff>; + }; + wkup_uart0: serial@42300000 { compatible = "ti,am654-uart"; reg = <0x42300000 0x100>; diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi index 3d4bf369d030..6fdfc7815811 100644 --- a/arch/arm64/boot/dts/ti/k3-am65.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi @@ -8,6 +8,7 @@ #include #include #include +#include / { model = "Texas Instruments K3 AM654 SoC"; From 3f94859fd7ba4f5efa84767dba569d82e060b295 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Tue, 13 Nov 2018 11:31:10 +0530 Subject: [PATCH 04/10] arm64: dts: ti: am654-base-board: Add pinmux for main uart0 Add pinmux for main uart0 that is serves as console on AM654 EVM Signed-off-by: Vignesh R Acked-by: Nishanth Menon Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index e146ac2ad781..cbf9d3dfeaa3 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -35,7 +35,23 @@ }; }; +&main_pmx0 { + main_uart0_pins_default: main-uart0-pins-default { + pinctrl-single,pins = < + AM65X_IOPAD(0x01e4, PIN_INPUT, 0) /* (AF11) UART0_RXD */ + AM65X_IOPAD(0x01e8, PIN_OUTPUT, 0) /* (AE11) UART0_TXD */ + AM65X_IOPAD(0x01ec, PIN_INPUT, 0) /* (AG11) UART0_CTSn */ + AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0) /* (AD11) UART0_RTSn */ + >; + }; +}; + &wkup_uart0 { /* Wakeup UART is used by System firmware */ status = "disabled"; }; + +&main_uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_uart0_pins_default>; +}; From 19a1768fc34acc57d3ce2d945a676dfa032e6ba4 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Tue, 13 Nov 2018 11:31:11 +0530 Subject: [PATCH 05/10] arm64: dts: ti: k3-am654-base-board: Add I2C nodes Add DT entries for I2C instances present in AM654 SoC. Signed-off-by: Vignesh R Acked-by: Nishanth Menon Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 44 ++++++++++++ arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 11 +++ arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 11 +++ arch/arm64/boot/dts/ti/k3-am65.dtsi | 6 ++ .../arm64/boot/dts/ti/k3-am654-base-board.dts | 70 +++++++++++++++++++ 5 files changed, 142 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index f7c2a60d5c80..916434839603 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -85,4 +85,48 @@ pinctrl-single,register-width = <32>; pinctrl-single,function-mask = <0xffffffff>; }; + + main_i2c0: i2c@2000000 { + compatible = "ti,am654-i2c", "ti,omap4-i2c"; + reg = <0x0 0x2000000 0x0 0x100>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clock-names = "fck"; + clocks = <&k3_clks 110 1>; + power-domains = <&k3_pds 110>; + }; + + main_i2c1: i2c@2010000 { + compatible = "ti,am654-i2c", "ti,omap4-i2c"; + reg = <0x0 0x2010000 0x0 0x100>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clock-names = "fck"; + clocks = <&k3_clks 111 1>; + power-domains = <&k3_pds 111>; + }; + + main_i2c2: i2c@2020000 { + compatible = "ti,am654-i2c", "ti,omap4-i2c"; + reg = <0x0 0x2020000 0x0 0x100>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clock-names = "fck"; + clocks = <&k3_clks 112 1>; + power-domains = <&k3_pds 112>; + }; + + main_i2c3: i2c@2030000 { + compatible = "ti,am654-i2c", "ti,omap4-i2c"; + reg = <0x0 0x2030000 0x0 0x100>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clock-names = "fck"; + clocks = <&k3_clks 113 1>; + power-domains = <&k3_pds 113>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index 8c611d16df44..1fd027748e1f 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -15,4 +15,15 @@ clock-frequency = <96000000>; current-speed = <115200>; }; + + mcu_i2c0: i2c@40b00000 { + compatible = "ti,am654-i2c", "ti,omap4-i2c"; + reg = <0x0 0x40b00000 0x0 0x100>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clock-names = "fck"; + clocks = <&k3_clks 114 1>; + power-domains = <&k3_pds 114>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index 19b46f40789b..9e8467ce7ad8 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -51,4 +51,15 @@ clock-frequency = <48000000>; current-speed = <115200>; }; + + wkup_i2c0: i2c@42120000 { + compatible = "ti,am654-i2c", "ti,omap4-i2c"; + reg = <0x42120000 0x100>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clock-names = "fck"; + clocks = <&k3_clks 115 1>; + power-domains = <&k3_pds 115>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi index 6fdfc7815811..50f4be2047a9 100644 --- a/arch/arm64/boot/dts/ti/k3-am65.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi @@ -23,6 +23,12 @@ serial2 = &main_uart0; serial3 = &main_uart1; serial4 = &main_uart2; + i2c0 = &wkup_i2c0; + i2c1 = &mcu_i2c0; + i2c2 = &main_i2c0; + i2c3 = &main_i2c1; + i2c4 = &main_i2c2; + i2c5 = &main_i2c3; }; chosen { }; diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index cbf9d3dfeaa3..bd5a0069191d 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -35,6 +35,15 @@ }; }; +&wkup_pmx0 { + wkup_i2c0_pins_default: wkup-i2c0-pins-default { + pinctrl-single,pins = < + AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */ + AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */ + >; + }; +}; + &main_pmx0 { main_uart0_pins_default: main-uart0-pins-default { pinctrl-single,pins = < @@ -44,6 +53,29 @@ AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0) /* (AD11) UART0_RTSn */ >; }; + + main_i2c2_pins_default: main-i2c2-pins-default { + pinctrl-single,pins = < + AM65X_IOPAD(0x0074, PIN_INPUT, 5) /* (T27) GPMC0_CSn3.I2C2_SCL */ + AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) GPMC0_CSn2.I2C2_SDA */ + >; + }; +}; + +&main_pmx1 { + main_i2c0_pins_default: main-i2c0-pins-default { + pinctrl-single,pins = < + AM65X_IOPAD(0x0000, PIN_INPUT, 0) /* (D20) I2C0_SCL */ + AM65X_IOPAD(0x0004, PIN_INPUT, 0) /* (C21) I2C0_SDA */ + >; + }; + + main_i2c1_pins_default: main-i2c1-pins-default { + pinctrl-single,pins = < + AM65X_IOPAD(0x0008, PIN_INPUT, 0) /* (B21) I2C1_SCL */ + AM65X_IOPAD(0x000c, PIN_INPUT, 0) /* (E21) I2C1_SDA */ + >; + }; }; &wkup_uart0 { @@ -55,3 +87,41 @@ pinctrl-names = "default"; pinctrl-0 = <&main_uart0_pins_default>; }; + +&wkup_i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&wkup_i2c0_pins_default>; + clock-frequency = <400000>; + + pca9554: gpio@39 { + compatible = "nxp,pca9554"; + reg = <0x39>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + +&main_i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c0_pins_default>; + clock-frequency = <400000>; + + pca9555: gpio@21 { + compatible = "nxp,pca9555"; + reg = <0x21>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + +&main_i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c1_pins_default>; + clock-frequency = <400000>; +}; + +&main_i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c2_pins_default>; + clock-frequency = <400000>; +}; From 07c663b0ee576a33c29f211d2e23484a9aa5ff30 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Fri, 7 Dec 2018 15:05:34 +0530 Subject: [PATCH 06/10] arm64: dts: ti: k3-am65-main: Add ECAP PWM node Add DT entry for ECAP0 PWM node present in main domain Signed-off-by: Vignesh R Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 916434839603..0a0a8fc5df64 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -129,4 +129,13 @@ clocks = <&k3_clks 113 1>; power-domains = <&k3_pds 113>; }; + + ecap0: pwm@3100000 { + compatible = "ti,am654-ecap", "ti,am3352-ecap"; + #pwm-cells = <3>; + reg = <0x0 0x03100000 0x0 0x60>; + power-domains = <&k3_pds 39>; + clocks = <&k3_clks 39 0>; + clock-names = "fck"; + }; }; From e577d79424c07af63d0f19817a425bf4ccf0ec81 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Fri, 7 Dec 2018 15:05:35 +0530 Subject: [PATCH 07/10] arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM Enable ECAP PWM which is used for LCD backlight. Signed-off-by: Vignesh R Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index bd5a0069191d..49ec2c3f5ef1 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -76,6 +76,12 @@ AM65X_IOPAD(0x000c, PIN_INPUT, 0) /* (E21) I2C1_SDA */ >; }; + + ecap0_pins_default: ecap0-pins-default { + pinctrl-single,pins = < + AM65X_IOPAD(0x0010, PIN_INPUT, 0) /* (D21) ECAP0_IN_APWM_OUT */ + >; + }; }; &wkup_uart0 { @@ -125,3 +131,8 @@ pinctrl-0 = <&main_i2c2_pins_default>; clock-frequency = <400000>; }; + +&ecap0 { + pinctrl-names = "default"; + pinctrl-0 = <&ecap0_pins_default>; +}; From c484fc957219e95e023efe74bfc6cc189303e6f4 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Wed, 12 Dec 2018 10:48:06 +0530 Subject: [PATCH 08/10] arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes Populate power-domain property for UART nodes, this is required for Linux to enable UART clocks via PM calls. Without this UART instances not initialized by bootloader (like main_uart1) fails to work in Linux. Also, drop current-speed property from main_uart1 and main_uart2 nodes as these UARTs are not initialized before Linux boots up and current speed is unknown. Signed-off-by: Vignesh R Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 5 +++-- arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 1 + 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 0a0a8fc5df64..6446652850c6 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -48,6 +48,7 @@ interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; + power-domains = <&k3_pds 146>; }; main_uart1: serial@2810000 { @@ -57,7 +58,7 @@ reg-io-width = <4>; interrupts = ; clock-frequency = <48000000>; - current-speed = <115200>; + power-domains = <&k3_pds 147>; }; main_uart2: serial@2820000 { @@ -67,7 +68,7 @@ reg-io-width = <4>; interrupts = ; clock-frequency = <48000000>; - current-speed = <115200>; + power-domains = <&k3_pds 148>; }; main_pmx0: pinmux@11c000 { diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index 1fd027748e1f..3b7a519960b9 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -14,6 +14,7 @@ interrupts = ; clock-frequency = <96000000>; current-speed = <115200>; + power-domains = <&k3_pds 149>; }; mcu_i2c0: i2c@40b00000 { diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi index 9e8467ce7ad8..7cbdc0912ab7 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi @@ -50,6 +50,7 @@ interrupts = ; clock-frequency = <48000000>; current-speed = <115200>; + power-domains = <&k3_pds 150>; }; wkup_i2c0: i2c@42120000 { From 2cd7d393f461b931bd6ba2f3971f20b087a1b952 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Sun, 9 Dec 2018 15:52:21 +0530 Subject: [PATCH 09/10] arm64: dts: ti: k3-am654: Add McSPI DT nodes There are 3 instances of McSPI in MCU domain and 4 instances in Main domain. Add DT nodes for all McSPI instances present on AM654 SoC. Signed-off-by: Vignesh R Signed-off-by: Tero Kristo --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 52 ++++++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 30 ++++++++++++++ 2 files changed, 82 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 6446652850c6..272cf8fc8d30 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -139,4 +139,56 @@ clocks = <&k3_clks 39 0>; clock-names = "fck"; }; + + main_spi0: spi@2100000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x2100000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 137 1>; + power-domains = <&k3_pds 137>; + #address-cells = <1>; + #size-cells = <0>; + }; + + main_spi1: spi@2110000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x2110000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 138 1>; + power-domains = <&k3_pds 138>; + #address-cells = <1>; + #size-cells = <0>; + assigned-clocks = <&k3_clks 137 1>; + assigned-clock-rates = <48000000>; + }; + + main_spi2: spi@2120000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x2120000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 139 1>; + power-domains = <&k3_pds 139>; + #address-cells = <1>; + #size-cells = <0>; + }; + + main_spi3: spi@2130000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x2130000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 140 1>; + power-domains = <&k3_pds 140>; + #address-cells = <1>; + #size-cells = <0>; + }; + + main_spi4: spi@2140000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x2140000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 141 1>; + power-domains = <&k3_pds 141>; + #address-cells = <1>; + #size-cells = <0>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi index 3b7a519960b9..593f718e8fb5 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi @@ -27,4 +27,34 @@ clocks = <&k3_clks 114 1>; power-domains = <&k3_pds 114>; }; + + mcu_spi0: spi@40300000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x40300000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 142 1>; + power-domains = <&k3_pds 142>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mcu_spi1: spi@40310000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x40310000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 143 1>; + power-domains = <&k3_pds 143>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mcu_spi2: spi@40320000 { + compatible = "ti,am654-mcspi","ti,omap4-mcspi"; + reg = <0x0 0x40320000 0x0 0x400>; + interrupts = ; + clocks = <&k3_clks 144 1>; + power-domains = <&k3_pds 144>; + #address-cells = <1>; + #size-cells = <0>; + }; }; From 5da94b50475acaa728560e8c1d3f7291e1062eb3 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Sun, 9 Dec 2018 15:52:22 +0530 Subject: [PATCH 10/10] arm64: dts: ti: k3-am654: Enable main domain McSPI0 Enable McSPI0 of main domain and add DT node for the SPI NOR flash connected to CS0. Signed-off-by: Vignesh R Signed-off-by: Tero Kristo --- .../arm64/boot/dts/ti/k3-am654-base-board.dts | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index 49ec2c3f5ef1..e41fc3a5987b 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -60,6 +60,15 @@ AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) GPMC0_CSn2.I2C2_SDA */ >; }; + + main_spi0_pins_default: main-spi0-pins-default { + pinctrl-single,pins = < + AM65X_IOPAD(0x01c4, PIN_INPUT, 0) /* (AH13) SPI0_CLK */ + AM65X_IOPAD(0x01c8, PIN_INPUT, 0) /* (AE13) SPI0_D0 */ + AM65X_IOPAD(0x01cc, PIN_INPUT, 0) /* (AD13) SPI0_D1 */ + AM65X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (AG13) SPI0_CS0 */ + >; + }; }; &main_pmx1 { @@ -136,3 +145,21 @@ pinctrl-names = "default"; pinctrl-0 = <&ecap0_pins_default>; }; + +&main_spi0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_spi0_pins_default>; + #address-cells = <1>; + #size-cells= <0>; + ti,pindir-d0-out-d1-in = <1>; + + flash@0{ + compatible = "jedec,spi-nor"; + reg = <0x0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + spi-max-frequency = <48000000>; + #address-cells = <1>; + #size-cells= <1>; + }; +};